Paper/patches/server/0154-Reset-spawner-timer-when-spawner-event-is-cancelled.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Mon, 31 Jul 2017 01:45:19 -0500
Subject: [PATCH] Reset spawner timer when spawner event is cancelled


diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index 49fc9fc724a59e53527ac9fbea8ea605f42a117c..802ff419ae74a16bcd570b996be2dd85e21ea3e8 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -158,6 +158,7 @@ public abstract class BaseSpawner {
                             // Spigot End
                         }
                         entity.spawnedViaMobSpawner = true; // Paper
+                        flag = true; // Paper
                         // Spigot Start
                         if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, pos).isCancelled()) {
                             Entity vehicle = entity.getVehicle();
@@ -181,7 +182,7 @@ public abstract class BaseSpawner {
                             ((Mob) entity).spawnAnim();
                         }
 
-                        flag = true;
+                        //flag = true; // Paper - moved up above cancellable event
                     }
                 }